Jacob M. Appel (born February 21, 1973) is an American author, poet, bioethicist, physician, lawyer and social critic. He is best known for his short stories, his work as a playwright, and his writing in the fields of reproductive ethics, organ donation, neuroethics, and euthanasia. Appel's novel The Man Who Wouldn't Stand Up won the Dundee International Book Prize in 2012. He is the director of Ethics Education in Psychiatry and an associate professor of psychiatry and medical education at the Mount Sinai School of Medicine, and he practices emergency psychiatry at the adjoining Mount Sinai Health System. Appel is the subject of the 2019 documentary film Jacob by director Jon Stahl.